Antenna Tuner Codeword Database for Multi-Band Mobile Devices
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Solution Overview
Problem
The compact design of modern wireless devices poses challenges for antenna systems, including space constraints, interference from user handling, and performance trade-offs across multiple frequency bands, necessitating an efficient method for constructing an antenna tuner codeword database.
Innovation Solution
An adaptive tuner selection algorithm optimizes the construction of the tuner codeword database by considering user-defined weightings, environmental conditions, and user scenarios, using a predetermined weighting and filtering mechanism to select and store target tuner codewords.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single antenna tuner codeword is used to cover a limited frequency range, then device complexity is reduced, but communication performance across multiple frequency bands deteriorates
Solution Approach 1:
The patent divides the frequency range into multiple bands, each with its own optimized tuner codeword. Instead of using a single codeword for all frequencies, the system segments the frequency spectrum and assigns specific codewords to specific bands, allowing optimal performance in each band while maintaining manageable system complexity through organized segmentation.
Solution Approach 2:
The patent implements dynamic tuner codeword selection that adapts to different operating conditions. The system dynamically switches between different tuner codewords based on the active frequency band, signal conditions, and operational requirements, transforming the static single-codeword approach into a dynamic multi-codeword system that optimizes performance across varying conditions.
2Adaptability or versatility
If multiple antennas are used to support multiple frequency bands, then communication versatility is improved, but available space within the device is reduced
Solution Approach 1:
The patent makes a single antenna system universal by enabling it to operate across multiple frequency bands through dynamic tuner codeword adjustment. The same physical antenna structure serves multiple functions and frequency ranges by reconfiguring its electrical characteristics through different codewords, eliminating the need for separate dedicated antennas for each band.
Solution Approach 2:
The patent changes the electrical parameters of the antenna system by applying different tuner codewords that adjust impedance, resonance frequency, and other electromagnetic characteristics. This parameter transformation allows the same physical antenna to adapt its behavior for different frequency bands without requiring physical modification or additional antenna elements.
3Volume of moving object
If impedance matching circuits are integrated to enable compact antenna systems, then device compactness is improved, but manufacturing complexity increases
Solution Approach 1:
The patent merges the impedance matching functionality directly into the antenna tuner control system by integrating the matching circuits with the existing tuner architecture. This consolidation combines multiple functions (impedance matching, frequency tuning, and codeword control) into a unified system, reducing the number of separate components and simplifying the manufacturing process while maintaining compact dimensions.
Data Source
AI summary
The application provides a tuner codeword database construction method and a mobile device. A plurality of mobile device configuration parameters are obtained. Tuner characteristic measurement is performed on one or more testing mobile devices based on the plurality of mobile device configuration parameters to generate a plurality of tuner characteristic data. Tuner codeword selection is performed on the plurality of tuner characteristic data based on a predetermined weighting and a filtering range to generate a target tuner codeword among a plurality of tuner codewords. The target tuner codeword is stored in a tuner codeword database, the tuner codeword database storing a plurality of stored tuner codewords for controlling at least one tuner of a user mobile device.